SECURITY BLUE TEAM LEVEL 1 EXAM
QUESTIONS & CORRECT ANSWERS | 100%
VERIFIED 2026/2027 | GRADED A+
SECURITY BLUE TEAM LEVEL 1 EXAM
300 Verified Questions & Answers | 2026/2027 | Graded A+
QUESTION 1
Which of the following best describes the purpose of a Security Operations Center
(SOC)?
A. To develop new software applications for the organization
B. To manage human resources and employee training programs
C. To monitor, detect, analyze, and respond to cybersecurity incidents
D. To handle customer service complaints and support tickets
E. To oversee financial auditing and compliance reporting
CORRECT ANSWER: C. To monitor, detect, analyze, and respond to
cybersecurity incidents
RATIONALE: A SOC is a centralized unit that continuously monitors an
organization's security posture. Its primary function is to detect threats, analyze alerts,
and coordinate responses to cybersecurity incidents in real time.
QUESTION 2
What does the acronym SIEM stand for?
A. Security Information and Event Monitoring
B. System Integration and Event Management
C. Security Intelligence and Endpoint Management
D. System Information and Event Monitoring
E. Security Information and Event Management
CORRECT ANSWER: E. Security Information and Event Management
, RATIONALE: SIEM stands for Security Information and Event Management. It is a
solution that aggregates and analyzes log data from multiple sources to detect security
threats and generate alerts.
QUESTION 3
Which port does HTTP use by default?
A. 443
B. 22
C. 21
D. 80
E. 8080
CORRECT ANSWER: D. 80
RATIONALE: HTTP (Hypertext Transfer Protocol) uses port 80 by default for
unencrypted web traffic. HTTPS uses port 443 for encrypted communication.
QUESTION 4
What type of attack involves an attacker intercepting communication between two
parties without their knowledge?
A. Denial of Service attack
B. SQL Injection attack
C. Man-in-the-Middle attack
D. Phishing attack
E. Brute Force attack
CORRECT ANSWER: C. Man-in-the-Middle attack
RATIONALE: A Man-in-the-Middle (MitM) attack occurs when an attacker secretly
intercepts and potentially alters communication between two parties who believe they
are communicating directly with each other.
,QUESTION 5
Which of the following is a passive reconnaissance technique?
A. Port scanning a target system
B. Sending phishing emails to employees
C. Searching publicly available information about a target
D. Exploiting a known vulnerability in a web application
E. Conducting a brute force attack on login credentials
CORRECT ANSWER: C. Searching publicly available information about a
target
RATIONALE: Passive reconnaissance involves gathering information without
directly interacting with the target. Reviewing publicly available information such as
WHOIS records, social media, and websites does not alert the target.
QUESTION 6
What is the primary function of a firewall?
A. To encrypt data stored on a hard drive
B. To control incoming and outgoing network traffic based on rules
C. To detect and remove malware from infected systems
D. To back up critical organizational data
E. To authenticate users accessing the network
CORRECT ANSWER: B. To control incoming and outgoing network traffic
based on rules
RATIONALE: A firewall monitors and filters network traffic based on predetermined
security rules. It acts as a barrier between trusted internal networks and untrusted
external networks.
QUESTION 7
Which of the following tools is commonly used for network packet capture and analysis?
, A. Metasploit
B. Nmap
C. Wireshark
D. Burp Suite
E. Hashcat
CORRECT ANSWER: C. Wireshark
RATIONALE: Wireshark is a widely used open-source network protocol analyzer
that captures and inspects packets in real time. It is an essential tool for network
troubleshooting and security analysis.
QUESTION 8
What does the CIA triad stand for in cybersecurity?
A. Confidentiality, Integrity, Availability
B. Control, Investigation, Analysis
C. Cyber, Intelligence, Awareness
D. Compliance, Integrity, Authorization
E. Confidentiality, Investigation, Availability
CORRECT ANSWER: A. Confidentiality, Integrity, Availability
RATIONALE: The CIA triad is the foundational model of information security.
Confidentiality ensures data is accessible only to authorized users; Integrity ensures
data is accurate and unaltered; Availability ensures data and systems are accessible
when needed.
QUESTION 9
Which type of malware disguises itself as legitimate software to trick users into installing
it?
A. Worm
B. Ransomware
QUESTIONS & CORRECT ANSWERS | 100%
VERIFIED 2026/2027 | GRADED A+
SECURITY BLUE TEAM LEVEL 1 EXAM
300 Verified Questions & Answers | 2026/2027 | Graded A+
QUESTION 1
Which of the following best describes the purpose of a Security Operations Center
(SOC)?
A. To develop new software applications for the organization
B. To manage human resources and employee training programs
C. To monitor, detect, analyze, and respond to cybersecurity incidents
D. To handle customer service complaints and support tickets
E. To oversee financial auditing and compliance reporting
CORRECT ANSWER: C. To monitor, detect, analyze, and respond to
cybersecurity incidents
RATIONALE: A SOC is a centralized unit that continuously monitors an
organization's security posture. Its primary function is to detect threats, analyze alerts,
and coordinate responses to cybersecurity incidents in real time.
QUESTION 2
What does the acronym SIEM stand for?
A. Security Information and Event Monitoring
B. System Integration and Event Management
C. Security Intelligence and Endpoint Management
D. System Information and Event Monitoring
E. Security Information and Event Management
CORRECT ANSWER: E. Security Information and Event Management
, RATIONALE: SIEM stands for Security Information and Event Management. It is a
solution that aggregates and analyzes log data from multiple sources to detect security
threats and generate alerts.
QUESTION 3
Which port does HTTP use by default?
A. 443
B. 22
C. 21
D. 80
E. 8080
CORRECT ANSWER: D. 80
RATIONALE: HTTP (Hypertext Transfer Protocol) uses port 80 by default for
unencrypted web traffic. HTTPS uses port 443 for encrypted communication.
QUESTION 4
What type of attack involves an attacker intercepting communication between two
parties without their knowledge?
A. Denial of Service attack
B. SQL Injection attack
C. Man-in-the-Middle attack
D. Phishing attack
E. Brute Force attack
CORRECT ANSWER: C. Man-in-the-Middle attack
RATIONALE: A Man-in-the-Middle (MitM) attack occurs when an attacker secretly
intercepts and potentially alters communication between two parties who believe they
are communicating directly with each other.
,QUESTION 5
Which of the following is a passive reconnaissance technique?
A. Port scanning a target system
B. Sending phishing emails to employees
C. Searching publicly available information about a target
D. Exploiting a known vulnerability in a web application
E. Conducting a brute force attack on login credentials
CORRECT ANSWER: C. Searching publicly available information about a
target
RATIONALE: Passive reconnaissance involves gathering information without
directly interacting with the target. Reviewing publicly available information such as
WHOIS records, social media, and websites does not alert the target.
QUESTION 6
What is the primary function of a firewall?
A. To encrypt data stored on a hard drive
B. To control incoming and outgoing network traffic based on rules
C. To detect and remove malware from infected systems
D. To back up critical organizational data
E. To authenticate users accessing the network
CORRECT ANSWER: B. To control incoming and outgoing network traffic
based on rules
RATIONALE: A firewall monitors and filters network traffic based on predetermined
security rules. It acts as a barrier between trusted internal networks and untrusted
external networks.
QUESTION 7
Which of the following tools is commonly used for network packet capture and analysis?
, A. Metasploit
B. Nmap
C. Wireshark
D. Burp Suite
E. Hashcat
CORRECT ANSWER: C. Wireshark
RATIONALE: Wireshark is a widely used open-source network protocol analyzer
that captures and inspects packets in real time. It is an essential tool for network
troubleshooting and security analysis.
QUESTION 8
What does the CIA triad stand for in cybersecurity?
A. Confidentiality, Integrity, Availability
B. Control, Investigation, Analysis
C. Cyber, Intelligence, Awareness
D. Compliance, Integrity, Authorization
E. Confidentiality, Investigation, Availability
CORRECT ANSWER: A. Confidentiality, Integrity, Availability
RATIONALE: The CIA triad is the foundational model of information security.
Confidentiality ensures data is accessible only to authorized users; Integrity ensures
data is accurate and unaltered; Availability ensures data and systems are accessible
when needed.
QUESTION 9
Which type of malware disguises itself as legitimate software to trick users into installing
it?
A. Worm
B. Ransomware
